Home / 109,374.12-150,944.18-60,979.32

Finding the Fourth Proportional to 109,374.12, 150,944.18 and 60,979.32

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Solution

The fourth proportional to 109,374.12, 150,944.18 and 60,979.32 is: 84,155.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,374.12 : 150,944.18 = 60,979.32 : x
  2. Step 2: Convert to fraction form
    109,374.12/150,944.18 = 60,979.32/x
  3. Step 3: Cross multiply
    109,374.12x = 150,944.18 × 60,979.32
  4. Step 4: Simplify right side
    109,374.12x = 9,204,473,149.46
  5. Step 5: Solve for x
    x = 9,204,473,149.46/109,374.12
  6. Step 6: Final answer
    x = 84,155.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.